<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <h1>{{title}}</h1>
    <h2>{{title|capitalize}}</h2>
    <h3>{{title|lower}}</h3>
    <h4>{{title|upper}}</h4>
    <h5>{{title|title}}</h5>
    <h6>{{title|trim}}</h6>


    {% if user.isVip1 %}
        <button>只有1级会员可以看见</button>
    {% elif user.isVip2 %}
        <button>只有2级会员可以看见</button>
    {% elif user.isVip3 %}
        <button>只有3级会员可以看见</button>
    {% else %}
        <button>普通会员对应的按钮</button>
    {% endif %}

    <ul>
        {% for hobby in user.hobbies %}
              <li>
                  <i>{{ loop.index0 }} - </i>
                  <strong>{{ hobby }}</strong>
              </li>
        {% endfor %}
    </ul>

</body>
</html>